Datasheet > TCA9416DDFR

TCA9416DDFR

更新时间： 2024-09-25 02:52:23

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TCA9416 Ultra-Low-Voltage I2C Translator with Rise Time Accelerators

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TCA9416DDFR 数据手册

TCA9416

SCPS238A – FEBRUARY 2021 – REVISED AUGUST 2021

TCA9416 Ultra-Low-Voltage I²C Translator with Rise Time Accelerators

1 Features

3 Description

•

2-bit bidirectional translator for SDA and SCL lines

in I²C applications

Provides bidirectional voltage translation with no

direction pin

High-impedance output SCL_A, SDA_A, SCL_B,

SDA_B pins when OE = 0 V or V_CC= 0 V

Internal 10-kΩ pull-up resistor on all SDA and SCL

pins are enabled based on respective V_CCvoltage

1.08 V to 3.6 V on both A and B ports

V_CCIsolation feature: If either V_CCinput is at

GND, both ports are in the high-impedance state

(excluding pull-ups)

The TCA9416 is a 2-bit bidirectional I²C and SMBus

voltage-level translator with an output enable (OE)

input and rising and falling edge accelerators. It is

operational from 1.08 V to 3.6 V on both the A-

side and B-side. This allows the device to interface

between lower and higher logic signal levels at any of

the typical 1.2-V, 1.8-V, 2.5-V, and 3.3-V supply rails.

The OE input pin is referenced to V_CCA, can be

tied directly to V_CCA, but it is also 3.6-V tolerant.

The OE pin can also be controlled and set to a

logic low to place all the SCL and SDA pins in a

high-impedance state, which significantly reduces the

quiescent current consumption.

•

No power-supply sequencing required: either V_CCA

or V_CCBcan be ramped first

•

Low I_offof 2.5 µA when either V_CCAor V_CCB= 0 V

OE input can be tied directly to V_CCAor controlled

by GPIO

Latch-up performance exceeds 100 mA per JESD

78, class II

ESD Protection exceeds JESD 22

– 2500-V Human-body model (A114-B)

– 1500-V Charged-device model (C101)

Under normal I²C and SMBus configurations, the

TCA9416 is compatible with standard speeds where

the frequency of SCL is 100 kHz (Standard-mode),

400 kHz (Fast-mode), or 1 MHz (Fast-mode Plus).

•

The TCA9416 features internal 10-kΩ pull-up resistors

on SCL_A, SDA_A, SCL_B, and SDA_B. Additional

external pull-up resistors can be added to the bus to

reduce the total pull-up resistance and speed up rising

edges.

2 Applications

Device Information

•

Wearables

Personal electronics

Servers

PART NUMBER

TCA9416

PACKAGE⁽¹⁾

BODY SIZE (NOM)

1.35 mm × 0.80 mm

2.9 mm × 1.6 mm

X2SON (8)

SOT-23-T (8)

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

spacer

Typical Application Block Diagram for TCA9416

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...30

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与TCA9416DDFR相关器件

型号	品牌	获取价格	描述	数据表
TCA9416DTMR	TI	获取价格	TCA9416 Ultra-Low-Voltage I2C Translator with Rise Time Accelerators
TCA9509	TI	获取价格	LEVEL-TRANSLATING I2C/SMBUS BUS REPEATER
TCA9509_13	TI	获取价格	LEVEL-TRANSLATING I2C/SMBUS BUS REPEATER
TCA9509DGKR	TI	获取价格	LEVEL-TRANSLATING I2C/SMBUS BUS REPEATER
TCA9509MRVHR	TI	获取价格	具有内部 1mA 拉电流的 2 位电平转换 400kHz I2C/SMBus 缓冲器/中继
TCA9509RVHR	TI	获取价格	LEVEL-TRANSLATING I2C/SMBUS BUS REPEATER
TCA9511A	TI	获取价格	2 位双向 2.3V 至 5.5V 热插拔 400kHz I2C/SMBus 缓冲器
TCA9511ADGKR	TI	获取价格	2 位双向 2.3V 至 5.5V 热插拔 400kHz I2C/SMBus 缓冲器 \|
TCA9517	TI	获取价格	LEVEL-TRANSLATING I2C BUS REPEATER
TCA9517A	TI	获取价格	LEVEL-TRANSLATING I2C BUS REPEATER

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